WorksheetsU3 Covalent Review (MDP.PC)(Alex) (ALL p8)
Total questions: 15
Worksheet time: 8mins
Name
Class
Date
1.
Which is NOT an example of a diatomic molecule:
a)
Nitrogen
b)
Fluorine
c)
Carbon
d)
Bromine
2.
Noble gases are an example of
a)
monatomic molecules
b)
diatomic molecules
c)
polyatomic ions
d)
polar covalent bonds
3.
What is the charge of the Sulfate ion?
a)
-1
b)
-2
c)
+1
d)
-3
4.
What is the charge of ammonium?
a)
+2
b)
-2
c)
+1
d)
-1
5.
Name Al2(CO3)3
a)
ammonium carbonate
b)
aluminum carbide
c)
aluminum (III) carbonate
d)
aluminum carbonate
6.
True or False: electrons are shared equally in a polar bond
a)
true
b)
false
7.
Water is an excellent example of a ________ covalent bond
a)
polar
b)
nonpolar
8.
What is the charge of the polyatomic ion NO3 ?
a)
+1
b)
-2
c)
-3
d)
-1
9.
Electrons are shared ______ in a polar bond
a)
equally
b)
unequally
10.
Diatomic molecules are an excellent example of _____ covalent bond.
a)
polar
b)
nonpolar
11.
True or False: Organic molecules with functional groups like an aldehyde are polar
a)
true
b)
false
12.
True or False: Electronegative elements are less likely to form polar covalent molecules.
a)
true
b)
false
13.
True or False: Ionic bonds can be polar
a)
true
b)
false
14.
Polyatomic ions are held together with a(n) _____ bond and bond to other elements with a(n) _______ bond.
a)
ionic, covalent
b)
covalent, ionic
c)
hydrogen, ionic
d)
ionic, metallic
15.
What is the charge of the polyatomic ion phosphate?
a)
+1
b)
-1
c)
-2
d)
-3
100 %
